/*
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* Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: Chill 庄骞 (smallchill@163.com)
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*/
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package org.springblade.gateway.config;
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import org.springblade.gateway.handler.ErrorExceptionHandler;
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import org.springframework.beans.factory.ObjectProvider;
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import org.springframework.boot.autoconfigure.AutoConfigureBefore;
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import org.springframework.boot.autoconfigure.web.ResourceProperties;
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import org.springframework.boot.autoconfigure.web.ServerProperties;
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import org.springframework.boot.autoconfigure.web.reactive.error.ErrorWebFluxAutoConfiguration;
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import org.springframework.boot.context.properties.EnableConfigurationProperties;
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import org.springframework.boot.web.reactive.error.ErrorAttributes;
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import org.springframework.boot.web.reactive.error.ErrorWebExceptionHandler;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.core.Ordered;
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import org.springframework.core.annotation.Order;
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import org.springframework.http.codec.ServerCodecConfigurer;
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import org.springframework.web.reactive.result.view.ViewResolver;
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import java.util.Collections;
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import java.util.List;
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/**
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* 异常处理配置类
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*
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* @author Chill
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*/
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@Configuration
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@AutoConfigureBefore(ErrorWebFluxAutoConfiguration.class)
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@EnableConfigurationProperties({ServerProperties.class, ResourceProperties.class})
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public class ErrorHandlerConfiguration {
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private final ServerProperties serverProperties;
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private final ApplicationContext applicationContext;
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private final ResourceProperties resourceProperties;
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private final List<ViewResolver> viewResolvers;
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private final ServerCodecConfigurer serverCodecConfigurer;
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public ErrorHandlerConfiguration(ServerProperties serverProperties,
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ResourceProperties resourceProperties,
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ObjectProvider<List<ViewResolver>> viewResolversProvider,
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ServerCodecConfigurer serverCodecConfigurer,
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ApplicationContext applicationContext) {
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this.serverProperties = serverProperties;
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this.applicationContext = applicationContext;
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this.resourceProperties = resourceProperties;
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this.viewResolvers = viewResolversProvider.getIfAvailable(Collections::emptyList);
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this.serverCodecConfigurer = serverCodecConfigurer;
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}
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@Bean
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@Order(Ordered.HIGHEST_PRECEDENCE)
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public ErrorWebExceptionHandler errorWebExceptionHandler(ErrorAttributes errorAttributes) {
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ErrorExceptionHandler exceptionHandler = new ErrorExceptionHandler(
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errorAttributes,
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this.resourceProperties,
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this.serverProperties.getError(),
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this.applicationContext);
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exceptionHandler.setViewResolvers(this.viewResolvers);
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exceptionHandler.setMessageWriters(this.serverCodecConfigurer.getWriters());
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exceptionHandler.setMessageReaders(this.serverCodecConfigurer.getReaders());
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return exceptionHandler;
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}
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}
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